Top 34 Green Energy startups in Sweden
Nov 21, 2025
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21
2
Funding: $10.9B
H2 Green Steel is building a steel production plant (in Boden, northern Sweden) that reduces the iron ore into green iron using 100% green hydrogen with near-zero emission. The heart of the plant is giga-scale electrolyzer, powered by renewable electricity (instead of coal) that splits water into its constituent parts: hydrogen and oxygen. Then in the reduction reactor the hydrogen reacts with oxygen in the iron ore, transforming the iron ore into sponge iron and producing (environmentally friendly) water steam. In the melt shop the iron is charged into an electric arc furnace, where it is mixed with steel scrap. It is then melted with a powerful electrode and alloys are added in a ladle furnace. The molten steel is transformed into solid products.
H2 Green Steel is building a steel production plant (in Boden, northern Sweden) that reduces the iron ore into green iron using 100% green hydrogen with near-zero emission. The heart of the plant is giga-scale electrolyzer, powered by renewable electricity (instead of coal) that splits water into its constituent parts: hydrogen and oxygen. Then in the reduction reactor the hydrogen reacts with oxygen in the iron ore, transforming the iron ore into sponge iron and producing (environmentally friendly) water steam. In the melt shop the iron is charged into an electric arc furnace, where it is mixed with steel scrap. It is then melted with a powerful electrode and alloys are added in a ladle furnace. The molten steel is transformed into solid products.
3
Funding: $710M
Aira operates as a clean energy-tech company driving the clean energy revolution with air source heat pumps.
Aira operates as a clean energy-tech company driving the clean energy revolution with air source heat pumps.
4
Funding: $595.3M
VOI Technology owns, operates, and manages electric scooters for urban commuters in Stockholm.
VOI Technology owns, operates, and manages electric scooters for urban commuters in Stockholm.
6
Funding: $181.2M
Tibber provides energy consumer services and learns to buy, save, and control electricity for homes. Stockholm wants to replace the original power company with an app to help you reduce your own electricity bill.
Tibber provides energy consumer services and learns to buy, save, and control electricity for homes. Stockholm wants to replace the original power company with an app to help you reduce your own electricity bill.
7
Funding: $157M
Elvy Energy provides a novel method of energy consumption through the installation of solar panels, heat pumps, and battery systems.
Elvy Energy provides a novel method of energy consumption through the installation of solar panels, heat pumps, and battery systems.
8
Funding: $156M
Qvantum is a comprehensive supplier of innovative and efficient electric heat-pumps.
Qvantum is a comprehensive supplier of innovative and efficient electric heat-pumps.
9
Funding: $147.2M
Heart Aerospace is a Swedish startup making electric regional airplanes.
Heart Aerospace is a Swedish startup making electric regional airplanes.
10
Funding: $121.4M
Cloover partners with renewable energy professionals to simplify and finance sustainable home upgrades, offering embedded financing options for technologies like solar panels, battery storage, heat pumps, and EV charging systems.
Cloover partners with renewable energy professionals to simplify and finance sustainable home upgrades, offering embedded financing options for technologies like solar panels, battery storage, heat pumps, and EV charging systems.
11
Funding: $113.1M
X Shore creates high performance all-electric powered boats that are changing and charging the boat industry for a fossil free tomorrow.
X Shore creates high performance all-electric powered boats that are changing and charging the boat industry for a fossil free tomorrow.
12
Funding: $80.8M
Minesto develops a revolutionary concept for generating electricity from the ocean that unlocks a so far untapped renewable energy resource.
Minesto develops a revolutionary concept for generating electricity from the ocean that unlocks a so far untapped renewable energy resource.
13
Funding: $67.3M
Liquid Wind converts carbon dioxide (CO2) and wind energy to liquid fuel.
Liquid Wind converts carbon dioxide (CO2) and wind energy to liquid fuel.
14
Funding: $58.2M
Flower is Flexible Power. Our vision extends beyond the energy transition, we aim to become the pioneering force powering the energy system of tomorrow.
Flower is Flexible Power. Our vision extends beyond the energy transition, we aim to become the pioneering force powering the energy system of tomorrow.
15
Funding: €35M
SunRoof is a start-up developing fully solar 2-in-1 roofs and facades as well as solutions to support smart energy management.
SunRoof is a start-up developing fully solar 2-in-1 roofs and facades as well as solutions to support smart energy management.
16
Funding: $32M
Altris is a sodium-ion battery developer that focuses on enhancing energy storage efficiency and sustainability.
Altris is a sodium-ion battery developer that focuses on enhancing energy storage efficiency and sustainability.
17
Funding: €28.3M
ClimateView is a climate action technology company that combines scientific modelling, machine learning and interface design to help cities understand and act on the complex climate challenge, clearly.
ClimateView is a climate action technology company that combines scientific modelling, machine learning and interface design to help cities understand and act on the complex climate challenge, clearly.
20
Funding: $22.4M
The Eliq customer engagement platform and apps brings utilities all over the world closer to their customers. End-customers gain total control of their consumption resulting in 10x engagement, reduced churn, cost-to-serve and increased in-app upselling.
The Eliq customer engagement platform and apps brings utilities all over the world closer to their customers. End-customers gain total control of their consumption resulting in 10x engagement, reduced churn, cost-to-serve and increased in-app upselling.
